b4036ccdd2
Add two isochronous endpoints to the gadget zero source/sink function. They are enabled by selecting alternate interface 1, so by default they are not enabled. Module parameters for setting all the isoc endpoint characteristics are also provided. Signed-off-by: Pratyush Anand <pratyush.anand@st.com> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
27 lines
809 B
C
27 lines
809 B
C
/*
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* This header declares the utility functions used by "Gadget Zero", plus
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* interfaces to its two single-configuration function drivers.
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*/
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#ifndef __G_ZERO_H
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#define __G_ZERO_H
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#include <linux/usb/composite.h>
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/* global state */
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extern unsigned buflen;
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extern const struct usb_descriptor_header *otg_desc[];
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/* common utilities */
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struct usb_request *alloc_ep_req(struct usb_ep *ep, int len);
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void free_ep_req(struct usb_ep *ep, struct usb_request *req);
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void disable_endpoints(struct usb_composite_dev *cdev,
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struct usb_ep *in, struct usb_ep *out,
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struct usb_ep *iso_in, struct usb_ep *iso_out);
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/* configuration-specific linkup */
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int sourcesink_add(struct usb_composite_dev *cdev, bool autoresume);
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int loopback_add(struct usb_composite_dev *cdev, bool autoresume);
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#endif /* __G_ZERO_H */
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